LOC RD over I-12


+30.43831, -91.02432
30°26'18" N, 91°01'28" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:LOC RD over I-12
Structure number:611704540105921
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:91.9 ft. [28.0 m]
Total length:294.0 ft. [89.6 m]
Roadway width between curbs:91.9 ft. [28.0 m]
Deck width edge-to-edge:98.8 ft. [30.1 m]
Vertical clearance below bridge:15.7 ft. [4.8 m]
Owner:State Highway Agency [01]
Year built:1989
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:4
Main spans material:Prestressed concrete [5]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: May 2015 

Status:Open, no restriction [A]
Average daily traffic:10,570 [as of 2015]
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Equal to present minimum criteria [6]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:61.4 tons [55.8 metric tons]
Inventory rating:36.6 tons [33.3 metric tons]
Sufficiency rating:71.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
May 201571.0Not deficientGoodGoodGood10570
June 201371.0Not deficientGoodGoodGood46950
July 201172.0Not deficientGoodVery GoodGood47500
June 200973.0Not deficientGoodVery GoodVery Good49000
June 200773.0Not deficientGoodVery GoodVery Good51550
June 200573.0Not deficientGoodVery GoodVery Good47600
June 200373.0Not deficientGoodVery GoodVery Good46450
June 200173.0Not deficientGoodVery GoodVery Good44774
June 199973.0Not deficientVery GoodVery GoodVery Good29741
June 199773.0Not deficientVery GoodVery GoodVery Good29741
June 199573.0Not deficientVery GoodVery GoodVery Good34275
June 199373.0Not deficientVery GoodVery GoodVery Good30366
June 199173.0Not deficientVery GoodVery GoodVery Good32086